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Driver board missing parts
Driver board missing parts
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Old 9th November 2019, 06:38 AM   #1
shanecapetown is offline shanecapetown  South Africa
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Default Driver board missing parts

Hi guys i got this amp in for repairs but some1 stripped the parts off driver board and amp aswel but i know what parts goes on the amp but im not sure about the driver board
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Old 9th November 2019, 07:47 AM   #2
JonSnell Electronic is offline JonSnell Electronic  United Kingdom
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Any clue on manufacturer and model?
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Old 9th November 2019, 08:14 AM   #3
Perry Babin is offline Perry Babin  United States
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U2 TL072
U3 LM211/311
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Old 9th November 2019, 08:16 AM   #4
avtech23 is offline avtech23  Australia
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Driver board missing parts
HiFonics DWM0608FV PWM Audio Driver
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Old 9th November 2019, 08:21 AM   #5
shanecapetown is offline shanecapetown  South Africa
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Thank u very much guys
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Old 9th November 2019, 08:25 AM   #6
MarioRestucci is offline MarioRestucci  Italy
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Quote:
Originally Posted by shanecapetown View Post
Hi guys i got this amp in for repairs but some1 stripped the parts off driver board and amp aswel but i know what parts goes on the amp but im not sure about the driver board
wow !!
We are missing everything, not just something.
Haha ...
On the left, the largest components are AG (2SA1797) and DK (2SC4672) transistors.
Q7 and Q4 could be MMBTA92.
R22 is 270 ohm.
R31 is 4.7 ohm.
R24 is 180 ohm.
R49 is 560 ohms.
U2 can be TL072
U3 can be LM211 / 311
U1 certainly LM293
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Old 9th November 2019, 09:56 PM   #7
twilliar is offline twilliar  United States
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I would also double check your vias before installing for possible damage
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